GitHub Copilot
GitHub's AI coding assistant, now with autonomous agent and coding-agent modes.
β github.comWindsurf
Agentic IDE (originally Codeium) rebranded as 'Devin Desktop' under Cognition in 2026.
β windsurf.comOpenAI Codex
OpenAI's cloud software-engineering agent that works on tasks in parallel.
β openai.comReplit Agent
Agent that builds and deploys full apps from a prompt inside Replit's cloud IDE.
β replit.com